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Finding the Fourth Proportional to 411,930.20, 575,302.60 and 411,930.20

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Solution

The fourth proportional to 411,930.20, 575,302.60 and 411,930.20 is: 575,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,930.20 : 575,302.60 = 411,930.20 : x
  2. Step 2: Convert to fraction form
    411,930.20/575,302.60 = 411,930.20/x
  3. Step 3: Cross multiply
    411,930.20x = 575,302.60 × 411,930.20
  4. Step 4: Simplify right side
    411,930.20x = 236,984,515,078.52
  5. Step 5: Solve for x
    x = 236,984,515,078.52/411,930.20
  6. Step 6: Final answer
    x = 575,302.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.